Bonjour
I am a Symfony (incl Twig) developer with 2.5 years symfony 2/doctrine experience and over 10 years experience as a PHP developer, counting several other frameworks like CakePHP 4 years, YII 1 year.
I have experience also with Redis, Jquery, MySQL, Postgre and responsive implementation (LESS, SASS, Twitter bootstrap, Zurb Foundation)
I can work daily for 4 hours and in weekends up to 6 hours for your project.